Key result
Regular exercise is linked to ~27 mmHg lower peak SBP following acute exercise.
Why the study?
No studies had assessed short-term blood pressure changes induced by daily exercise load in young trained individuals.
Does regular exercise training alter short-term blood pressure changes and left ventricular mass index in response to acute exercise load in healthy young individuals?
Observational (n=51)
Does regular exercise training alter short-term blood pressure changes and left ventricular mass index in response to acute exercise load in healthy young individuals?
Absolute Event Rate: 156.4% vs 183.7%
p-value: p=<0.001
Young trained individuals exhibit suppressed short-term systolic blood pressure increases and faster recovery following acute exercise compared to untrained individuals, alongside higher left ventricular mass index.
Trained youth show lower peak exercise SBP; hypothesis-generating for training effects on acute BP responses and LVMI.
There are no studies assessing short‐term blood pressure (BP) changes induced by daily exercise load in young trained individuals. The authors enrolled 25 healthy, trained (mean age 19.7 ± 0.1 years, 36% female) and 26 healthy, untrained (mean age 20.4 ± 0.3 years, 50% female) individuals and measured BP after the Master two‐step test. Among them, 42 individuals underwent echocardiography after BP measurements to assess left ventricular mass index (LVMI). The baseline systolic BP (SBP) levels of trained and untrained individuals were 122.7 ± 2.9 versus 117.4 ± 1.5 mmHg, respectively (p = .016). Trained individuals showed a significant suppression of the SBP increase soon after exercise loads and lower SBP levels at 1, 2, and 3 min after exercise loads compared with untrained individuals. The peak SBP level over the study period was also significantly lower in trained individuals than in untrained individuals: 156.4 ± 3.3 versus 183.7 ± 5.2 mmHg (p < .001). Trained individuals showed significantly higher LVMI compared with untrained individuals: 129.4 versus 101.6 g/m2 (p < .001). These findings demonstrated that trained individuals showed significant suppression of short‐term BP variability in response to by daily exercise loads and prompt SBP recovery from acute exercise loads compared with untrained individuals. Our results would be useful to understand short‐term BPV and LV hypertrophy induced by adaptive responses of the heart to regular exercise loads.
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Nakamura et al. (2021) conducted an observational in Healthy (n=51). Regular exercise training vs. Untrained was evaluated on Peak systolic blood pressure after exercise (p=<0.001). Regular exercise training was associated with a significantly lower peak systolic blood pressure following acute exercise compared with untrained individuals (156.4 vs 183.7 mmHg; p<0.001).
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